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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 2.0L (LTG)) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal And Valve Spring Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE:

Prevent the crankshaft from rotating clockwise or counterclockwise before using compressed air in the cylinder. Rotation of the crankshaft may cause damage to EN-50792  Flywheel Holding Tool.

  1. If equipped with a manual transmission, leave the transmission in first gear with the vehicle on the ground and the parking brake set.
  2. If equipped with an automatic transmission, remove the starter. Starter Replacement (LTG - All Wheel Drive)Starter Replacement (LTG - Front Wheel Drive)
  3. Install EN-50792  Flywheel Holding Tool.
  4. Remove Valve Rocker Arm - Intake Valve Rocker Arm Replacement , Exhaust Valve Rocker Arm Replacement 
  5. Fig 1: Valve Spring Compressor
    GM3942126Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    When mounting the valve spring compressor to the cylinder head, a suitable large washer should be used as indicated by the arrow.

  6. Install the EN-50717  Valve Spring Compressor (1) to the front and rear of the cylinder head as shown.
  7. Install the cross bars and locks (2) of the EN-50717  Valve Spring Compressor to the valve spring compressor adaptors.
  8. Remove the spark plugs. Spark Plug Replacement
  9. Install an air hose adapter into the spark plug hole.
  10. Attach an air hose to the adapter and pressurize the cylinder to 690 kPa (100 psi).
  11. Compress the valve spring using the valve spring compressor (3).
  12. Fig 2: Valve Spring, Keepers And Retainer
    GM2401713Courtesy of GENERAL MOTORS COMPANY
  13. Remove the valve spring keepers (1).
  14. Remove the valve spring (3) and retainer (2).
  15. Use the EN-37281-A  Valve Guide Seal Remover to remove the valve seal.